Caespitose, epiphytic herbs with broad, strongly flattened, foliaceous stems up to about 35 cm. tall and 2.5-3.5 cm. wide. Leaves equitant, distichously imbricating, coriaceous, obliquely oblong as seen in profile, obtuse, 2-4 cm. long and 0.5-1.0 cm. wide. Inflorescences short, condensed racemes from the upper leaf axils. Flowers relatively large and attractive, bright yellow with a conspicuous orange callus at the base, apparently produced singly in succession from the terminal cluster of ovate, acute, papery bracts. Sepals subequal, free, spreading, ovate, obtuse to shortly acute, minutely apiculate, about 9 mm. long and 6 mm. wide. Petals elliptic-oblong, obtuse, 9-10 mm. long and 5-6 mm. wide. Lip entire, suborbicular, slightly convex, 9-10 mm. long and 9-10 mm. wide, the anterior margin sometimes slightly retuse, the disk with an elliptic-oblong to obovate, obtuse callus, about 5 mm. long and 3-4 mm. wide, the apex conspicuously thickened and papillose, with a short, erect, acute, central spur. Column about 2 mm. long, with conspicuous lateral wings, the base without a foot.
Home